Home / 21,668.96-32,469.32-16,750.64

Finding the Fourth Proportional to 21,668.96, 32,469.32 and 16,750.64

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Solution

The fourth proportional to 21,668.96, 32,469.32 and 16,750.64 is: 25,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.96 : 32,469.32 = 16,750.64 : x
  2. Step 2: Convert to fraction form
    21,668.96/32,469.32 = 16,750.64/x
  3. Step 3: Cross multiply
    21,668.96x = 32,469.32 × 16,750.64
  4. Step 4: Simplify right side
    21,668.96x = 543,881,890.36
  5. Step 5: Solve for x
    x = 543,881,890.36/21,668.96
  6. Step 6: Final answer
    x = 25,099.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.